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3 years ago

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En una reunión de 40 viejos piratas, 1/5 tenían una pata de palo y los 3/4 de ellos habían navegado en El Corsario. ¿Cuántos pir

atas de pata de palo habían navegado en El Corsario? ¿Qué parte representaban de los reunidos?

1 answer:

Serga [27]3 years ago

4 0

Answer:

spanish

Step-by-step explanation:

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47 1/2 of what number is 190

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The owner of a new coffee shop is keeping track of how much each customer spends (in dollars). A random number table was used to

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3 years ago

Can y’all help me I don’t get this

yarga [219]

Answer:

Its D

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3 years ago

The function b(n) = 12n represents the number of baseballs b(n) that are needed for n games. how many baseballs are needed for 1

marysya [2.9K]

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3 years ago

Use a t-distribution to answer this question. Assume the samples are random samples from distributions that are reasonably norma

Nataliya [291]

Answer:

The degrees of freedom is 11.

The proportion in a t-distribution less than -1.4 is 0.095.

Step-by-step explanation:

The complete question is:

Use a t-distribution to answer this question. Assume the samples are random samples from distributions that are reasonably normally distributed, and that a t-statistic will be used for inference about the difference in sample means. State the degrees of freedom used. Find the proportion in a t-distribution less than -1.4 if the samples have sizes 1 = 12 and n 2 = 12 . Enter the exact answer for the degrees of freedom and round your answer for the area to three decimal places. degrees of freedom = Enter your answer; degrees of freedom proportion = Enter your answer; proportion

Solution:

The information provided is:

$n_{1}=n_{2}=12\\t-stat=-1.4$

Compute the degrees of freedom as follows:

$\text{df}=\text{Min}.(n_{1}-1,\ n_{2}-1)$

$=\text{Min}.(12-1,\ 12-1)\\\\=\text{Min}.(11,\ 11)\\\\=11$

Thus, the degrees of freedom is 11.

Compute the proportion in a t-distribution less than -1.4 as follows:

$P(t_{df}$

$=P(t_{11}>1.4)\\\\=0.095$

*Use a <em>t</em>-table.

Thus, the proportion in a t-distribution less than -1.4 is 0.095.

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3 years ago